GNU MCU Eclipse is an open source project that includes a family of Eclipse plug-ins and tools for multi-platform embedded ARM and RISC-V development, based on GNU toolchains. This project is hosted on GitHub. The former project was hosted on GitHub and SourceForge.
The right-hand sidebar on GNU MCU Eclipse clearly summarizes what's needed to be installed, as in the following image:
GNU MCU Eclipse: What's To Be Installed
According to our summation, four things must be installed:
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D. Install ST-Link
The reason why we need to install ST-Link is that Nucleo-144 board with STM32F767ZI comes with a ST-Link on board. The processes on how to checkout and build the source code are clearly displayed by the following commands: